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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-37719] Make service_entry_point_common.cpp more modular</title>
                <link>https://jira.mongodb.org/browse/SERVER-37719</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;As discussed with replication team and &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=schwerin&quot; class=&quot;user-hover&quot; rel=&quot;schwerin&quot;&gt;schwerin&lt;/a&gt;, &lt;tt&gt;service_entry_point_common.cpp&lt;/tt&gt; is hard to read, reason about and maintain. One of the reasons is that it hosts too many details in various sub-systems: command parsing, command execution, read concern, write concern, transaction, session checkout, error handling, etc. The ordering and dependencies of these sub-systems is unclear and error prone.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-37179&quot; title=&quot;Wait for specified write concern whenever commitTransaction returns a NoSuchTransaction error&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-37179&quot;&gt;&lt;del&gt;SERVER-37179&lt;/del&gt;&lt;/a&gt; is an example. It needs to catch the error NoSuchTransaction and wait for write concern. However, starting transaction can throw this error as a part of session checkout, which happens very early in &lt;tt&gt;execCommandDatabase&lt;/tt&gt;, way before where we parse and wait for write concern. As a result, &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-37179&quot; title=&quot;Wait for specified write concern whenever commitTransaction returns a NoSuchTransaction error&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-37179&quot;&gt;&lt;del&gt;SERVER-37179&lt;/del&gt;&lt;/a&gt; has to untangle the hidden dependencies. This is an unfortunate tech debt as the transaction mechanism evolves.&lt;/p&gt;</description>
                <environment></environment>
        <key id="623207">SERVER-37719</key>
            <summary>Make service_entry_point_common.cpp more modular</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="13200">Declined</resolution>
                                        <assignee username="backlog-server-servicearch">Backlog - Service Architecture</assignee>
                                    <reporter username="siyuan.zhou@mongodb.com">Siyuan Zhou</reporter>
                        <labels>
                    </labels>
                <created>Tue, 23 Oct 2018 20:28:02 +0000</created>
                <updated>Thu, 24 Aug 2023 23:38:15 +0000</updated>
                            <resolved>Thu, 24 Aug 2023 23:38:15 +0000</resolved>
                                                                    <component>Internal Code</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="4262734" author="JIRAUSER1262719" created="Tue, 21 Dec 2021 21:33:36 +0000"  >&lt;p&gt;We haven&#8217;t heard back from you in at least 1 year, so I&apos;m going to close this ticket. If this is still an issue for you, please provide additional information and we will reopen the ticket.&lt;/p&gt;</comment>
                            <comment id="2039761" author="siyuan.zhou@10gen.com" created="Tue, 23 Oct 2018 20:33:37 +0000"  >&lt;p&gt;The dependency can be hidden by decorations on operation context too. For example, &lt;tt&gt;TransactionParticipant&lt;/tt&gt; is always accessible once the session is checked out. The logic after session checkout may have assumptions of the state of TransactionParticipant (e.g. it has started; or it&apos;s in progress). This kind of dependencies may not be addressed by this ticket though.&lt;/p&gt;

&lt;p&gt;Any solution of this ticket will need the input from multiple teams to define an achievable goal.&lt;/p&gt;</comment>
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